Question: a From the information given here determine the 95 confidence

a. From the information given here determine the 95% confidence interval estimate of the population mean.
x̄ = 100 σ = 20 n = 25
b. Repeat part (a) with x = 200.
c. Repeat part (a) with x = 500.
d. Describe what happens to the width of the confidence interval estimate when the sample means increases.


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  • CreatedFebruary 03, 2015
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